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Defaulting To 4K Stacks

“Andrew Morton replied to a commit message making 4k stacks the
default, saying, ‘this patch will cause kernels to crash.’ Ingo
Molnar replied, ‘what mainline kernels crash and how will they
crash? Fedora and other distros have had 4K stacks enabled for
years.’ He added, ‘we’ve conducted tens of thousands of bootup
tests with all sorts of drivers and kernel options enabled and have
yet to see a single crash due to 4K stacks.’ During the lengthy
discussion it was suggested that nfs+xfs+raid kernel
configurations, and using ndiswrapper are the most common reasons
for overflowing a 4K stack size…”

Complete
Story